Neuroscience

April 7 Brain Awareness lecture: the adolescent brain

Adolescence is a time of dramatic behavioral, cognitive, social, and biological change. In recent years, techniques that scientists use to measure and image the brain have greatly enhanced our understanding of these changes. I’ll be talking about some of these changes – and everything that scientists are learning about the differences in the teenage brain – during my Brain Awareness Season lecture this Monday evening, April 7. The lecture, sponsored by the OHSU Brain Institute, … Read More

One more shot of espresso, for memory’s sake

How much do Portlanders love their coffee? A lot. According to a 2011 poll by CNBC, Portland is the third most caffeinated city in the U.S., with almost 900 coffee shops and 30 local coffee roasters. And does this love of coffee have any effect on brain health? A new study published in the journal Nature Neuroscience suggests that caffeine might actually be a good thing for how our brain stores and processes long-term memories. … Read More

The road to a healthy heart is the road to a healthy brain

What if we told you that you could live your life in simple ways that give you a very, very good chance of having a healthy heart and a sharp brain well into old age? No special drugs, no special surgeries, no amazing scientific discoveries and no wonder cures. Sounds pretty good, doesn’t it? And it’s simple. Science is beginning to understand that the route to a healthy brain and healthy heart might be pretty … Read More

Your brain … in love

Neuroscientists have long wondered whether or not there’s a love locus in the brain; a spot where romance resides amidst the complex circuits and intricate chemicals that comprise our emotional nervous system. Recent studies have surprised us as neurologists; there is such a spot and, interestingly, it involves the nerve cells and neural circuits that drive us to crave food, water and even illicit drugs. And these are not the circuits that involve lust or sexual … Read More

Brain Insitute speaker: Mad Cow expert and neuroscience pioneer

Did you know that, according to the American Red Cross, you are forbidden from donating blood in the United States if you have spent a cumulative time of three months or more in the United Kingdom, from Jan. 1, 1980 through December 31, 1996? The reason? It stems from the discovery that in some parts of the world, cattle can get an infectious, fatal brain disease called Mad Cow Disease. In these same locations, humans … Read More

A toast to your health

There’s possibly no better time to highlight this research story than on New Year’s eve: a drink or two a day — a glass of wine, a glass of beer — might also keep the doctor away. That’s what colleagues and I found in a study published this month in the journal Vaccine. We studied the drinking behaviors of rhesus macaque monkeys, who were given 22-hour-a-day access to a mixture of alcohol and water — … Read More

How our brains wash away the gunk during sleep

You wake on Saturday morning, drag your body out of bed and survey your home. You had entertained houseguests the night before, and it shows. Friends and family had filled your home, loud voices and much conversation echoed within your walls and everyone went home much later than you had planned. And now it is time to pay the piper. A full Saturday’s worth of dishwashing, floor scrubbing and shelf wiping stares you back in … Read More

Lewy body dementia — a less-known cause of cognitive problems

Not all people with cognitive problems have Alzheimer’s disease. While Alzheimer’s is the most common reason for memory problems as people get older, there are other types of dementia. Lewy body dementia or Lewy body disease is a much less common cause of cognitive problems and is seen in about seven in a thousand people over the age of 65. People with LBD tend to have trouble with visual spatial function and executive function. Executive … Read More

Designing a migraine-free lifestyle — especially for women

One in five women in America suffer from migraine headaches. In the throes of a migraine attack, simple head movement intensifies the pain. Eating or exercising is out of the question. Sometimes a migraine sufferer can’t even get out of bed.  There are 28 million Americans who have these disabling headaches — three times as many women as men. Almost half of them don’t see a doctor, don’t know their headaches are migraine or are … Read More

Scientists ‘create’ a tiny brain

For the first time, scientists have grown a brain in a dish. In a study published in the journal Nature last month, Austrian researchers used human induced pluripotent stem cells or embryonic stem cells and a combination of specialized growth conditions to produce “cerebral organoids.” Within these organoids, the authors can define many, but not all, of the discrete brain regions found in the human brain. The organization of these regions in relation to one … Read More

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OHSU Brain Institute

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